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mm: use populated_zone() instead of if(zone->present_pages)

PATCH New Xishi Qiu 1 participant 1 message Sep 5, 2013

Subsystems (2)
Memory management Page allocator
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Xishi Qiu

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PATCH v2 1/1 mm: use populated_zone() instead of if(zone->present_pages)

Use "if (populated_zone(zone))" instead of "if (zone->present_pages)". Simplify the code, no functional change.

Signed-off-by Xishi Qiu <[email protected]>
---
 mm/page_alloc.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
mm/page_alloc.c +2 -2
index b100255..30ef67c 100644
@@ -4195,7 +4195,7 @@ static __meminit void zone_pcp_init(struct zone *zone)
 	 */
 	zone->pageset = &boot_pageset;
 
-	if (zone->present_pages)
+	if (populated_zone(zone))
 		printk(KERN_DEBUG "  %s zone: %lu pages, LIFO batch:%u\n",
 			zone->name, zone->present_pages,
 					 zone_batchsize(zone));

@@ -5087,7 +5087,7 @@ static void check_for_memory(pg_data_t *pgdat, int nid)
 
 	for (zone_type = 0; zone_type <= ZONE_MOVABLE - 1; zone_type++) {
 		struct zone *zone = &pgdat->node_zones[zone_type];
-		if (zone->present_pages) {
+		if (populated_zone(zone)) {
 			node_set_state(nid, N_HIGH_MEMORY);
 			if (N_NORMAL_MEMORY != N_HIGH_MEMORY &&
 			    zone_type <= ZONE_NORMAL)

--
1.7.1

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